/* ===== CSS Reset & Variables ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-color: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);

    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ===== Base Styles ===== */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 100px;
}

/* ===== Header ===== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo .material-icons-round {
    font-size: 28px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo h1 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-selector {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-selector select {
    appearance: none;
    background: #12121a;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-selector select option {
    background: #12121a;
    color: #ffffff;
    padding: 8px;
}

.user-selector select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.user-selector .material-icons-round {
    position: absolute;
    right: 10px;
    font-size: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

/* ===== Progress Overview ===== */
.progress-overview {
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.progress-ring-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 8;
}

.progress-ring-fill {
    fill: none;
    stroke: url(#progressGradient);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 377;
    stroke-dashoffset: 377;
    transition: stroke-dashoffset 1s ease-out;
}

.progress-text {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.progress-percent {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.progress-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.progress-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== Week Tabs ===== */
.week-tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: sticky;
    top: 61px;
    z-index: 50;
    background: var(--bg-primary);
}

.week-tabs::-webkit-scrollbar {
    display: none;
}

.week-tab {
    flex: 1;
    min-width: 80px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.week-tab:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
}

.week-tab.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* ===== Main Content ===== */
.main-content {
    padding: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

/* ===== Day Card ===== */
.day-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.day-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-sm);
}

.day-card.completed {
    border-color: rgba(34, 197, 94, 0.3);
}

.day-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.day-header:hover {
    background: var(--bg-card-hover);
}

.day-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.day-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.day-card.completed .day-number {
    background: var(--success);
}

.day-title {
    font-weight: 600;
    font-size: var(--font-size-md);
    margin-bottom: 2px;
}

.day-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.day-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.day-progress-text {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.expand-icon {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.day-card.expanded .expand-icon {
    transform: rotate(180deg);
}

/* ===== Tasks List ===== */
.tasks-list {
    display: none;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.day-card.expanded .tasks-list {
    display: block;
}

.task-item {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.task-item:last-child {
    margin-bottom: 0;
}

.task-main {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    cursor: pointer;
}

.task-main:hover {
    background: rgba(99, 102, 241, 0.1);
}

.task-checkbox {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.task-checkbox input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}

.task-checkbox .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    width: 24px;
    height: 24px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.task-checkbox input:checked+.checkmark {
    background: var(--success);
    border-color: var(--success);
}

.task-checkbox .checkmark::after {
    content: '';
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 11px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.task-checkbox input:checked+.checkmark::after {
    display: block;
    animation: checkmark 0.2s ease-out;
}

@keyframes checkmark {
    0% {
        transform: rotate(45deg) scale(0);
    }

    100% {
        transform: rotate(45deg) scale(1);
    }
}

.task-content {
    flex: 1;
}

.task-title {
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin-bottom: 4px;
    transition: color var(--transition-fast);
}

.task-item.completed .task-title {
    color: var(--text-muted);
    text-decoration: line-through;
}

.task-description {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    line-height: 1.5;
}

.task-expand-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    margin-left: auto;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.task-expand-btn:hover {
    color: var(--accent-primary);
}

.task-item.task-expanded .task-expand-btn {
    transform: rotate(180deg);
}

.task-details {
    display: none;
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.task-item.task-expanded .task-details {
    display: block;
}

.task-input-group {
    margin-bottom: var(--spacing-md);
}

.task-input-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.task-input-group label .material-icons-round {
    font-size: 14px;
}

.task-input-group textarea {
    width: 100%;
    min-height: 70px;
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    resize: vertical;
}

.task-input-group textarea:focus,
.task-input-group input[type="url"]:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.task-input-group input[type="url"] {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
}

.task-save-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--accent-gradient);
    border: none;
}

.modal {
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    overflow: hidden;
}

.modal-overlay.visible .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.setting-item {
    margin-bottom: var(--spacing-lg);
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.setting-item input[type="url"] {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.setting-item input[type="url"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.setting-item small {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.btn-primary,
.btn-secondary,
.btn-danger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* ===== Week Header ===== */
.week-header {
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-sm);
}

.week-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.week-description {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===== User Management ===== */
.add-user-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.add-user-btn:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.add-user-btn .material-icons-round {
    font-size: 18px;
}

.user-list {
    margin-bottom: var(--spacing-lg);
}

.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: white;
}

.user-name {
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.user-delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.user-delete-btn:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.add-user-form {
    display: flex;
    gap: var(--spacing-sm);
}

.add-user-form input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-sm);
}

.add-user-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.add-user-form button {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
}

/* ===== View Toggle ===== */
.view-toggle {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    justify-content: center;
}

.view-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-secondary);
}

.view-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.view-btn .material-icons-round {
    font-size: 18px;
}

.hidden {
    display: none !important;
}

/* ===== Dashboard View ===== */
.dashboard-view {
    padding: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

.dashboard-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.section-header .material-icons-round {
    font-size: 24px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* ===== Leaderboard ===== */
.leaderboard {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.leaderboard-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.leaderboard-item.rank-1 {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 215, 0, 0.05));
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.leaderboard-item.rank-2 {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.15), rgba(192, 192, 192, 0.05));
    border: 1px solid rgba(192, 192, 192, 0.3);
}

.leaderboard-item.rank-3 {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.15), rgba(205, 127, 50, 0.05));
    border: 1px solid rgba(205, 127, 50, 0.3);
}

.leaderboard-rank {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.rank-1 .leaderboard-rank {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
}

.rank-2 .leaderboard-rank {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
    color: #000;
}

.rank-3 .leaderboard-rank {
    background: linear-gradient(135deg, #CD7F32, #8B4513);
    color: #fff;
}

.leaderboard-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: white;
    flex-shrink: 0;
}

.leaderboard-info {
    flex: 1;
    min-width: 0;
}

.leaderboard-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaderboard-stats {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.leaderboard-progress {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.leaderboard-percent {
    font-weight: 700;
    font-size: var(--font-size-md);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.leaderboard-bar {
    width: 60px;
    height: 4px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.leaderboard-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
}

/* ===== Calendar ===== */
.calendar-legend {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.calendar-legend span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.legend-dot.empty {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.legend-dot.partial {
    background: var(--warning);
}

.legend-dot.complete {
    background: var(--success);
}

.progress-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-xs);
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.calendar-day:hover {
    transform: scale(1.05);
    z-index: 1;
}

.calendar-day-number {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
}

.calendar-day.partial {
    background: rgba(245, 158, 11, 0.2);
    border-color: rgba(245, 158, 11, 0.4);
}

.calendar-day.partial .calendar-day-number {
    color: var(--warning);
}

.calendar-day.complete {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.4);
}

.calendar-day.complete .calendar-day-number {
    color: var(--success);
}

.calendar-day.complete::after {
    content: '✓';
    position: absolute;
    top: 2px;
    right: 4px;
    font-size: 10px;
    color: var(--success);
}

/* ===== Journey Stats ===== */
.journey-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.journey-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.journey-stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.journey-stat-icon .material-icons-round {
    font-size: 24px;
    color: white;
}

.journey-stat-content {
    display: flex;
    flex-direction: column;
}

.journey-stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.journey-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
    .modal {
        border-radius: var(--radius-xl);
        margin: var(--spacing-lg);
    }

    .modal-overlay {
        align-items: center;
    }

    .week-tabs {
        justify-content: center;
    }

    .week-tab {
        flex: 0;
        min-width: 100px;
    }

    .journey-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .leaderboard-bar {
        width: 80px;
    }

    .user-selector select {
        max-width: 200px;
    }
}

@media (min-width: 1024px) {
    .progress-overview {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-xl);
    }

    .progress-stats {
        gap: var(--spacing-xl);
    }

    .dashboard-view {
        max-width: 1000px;
    }
}